欧拉拟阵：Eulerian matroid
欧拉循环：Euler cycle; Euler loop
欧拉压头：Eular head
欧拉扬程：Euler's head
欧拉游程：Eulerian tour
欧勒准数：Euler's number
欧姆/体：ohm per volt[Ω/V]
欧姆损失：ohmic,loss
欧啤协法：congress method
欧前胡精：ostruthin
欧薯蓣属：bryonia
欧特里阶：Hauterivian stage
欧文电桥：Owen bridge
欧扎克统：Ozarkian series
欧洲椴木：European lime (Tilia vulganio)
欧洲桦木：European brich
欧洲冷杉：Eropean silver fir
欧洲梨木：pearwood
欧洲栗木：European chestnut,sweet chestnut
殴打伤痕：wheal
呕吐毒气：vomiting gas
呕吐效应：vomiting effect
偶成气泡：entrapped air
偶氮 I：Arsenazo I,neo-thorin; neothoron; uranon
偶氮胺类：azoamines
偶氮苯酚：azophenol
偶氮苯酸：dicarboxy arseno benzene
偶氮蛋白：azoprotein
偶氮酚类：azotols,diazotol rapid fast colours
偶氮汞剂：azomercurial
偶氮黄素：azoflavin(e)
偶氮磺胺：sulfonamido-crysoidin,prontosil,prontosil rubrum,protosil,sulfamidochrysoidine
偶氮磺酸：azosulfonic acid
偶氮基因：azogene
偶氮甲碱：azomethine
偶氮甲烷：azomethane
偶氮霉素：diazomycin,duazomycin
偶氮偶合：azo coupling
偶氮着色：azo dyes
偶发电子：occasional electrons
偶发故障：random failure
偶发畸变：fortuitous telegraph distortion
偶高倍性：even higher ploidy
偶合电感：coupling inductance
偶合电子：coupled electron
偶合电阻：coupling resistance
偶合方式：coupling-mode
偶合染料：para-dyes;coupled dyes
偶合溶剂：coupling solvent
偶合图象：coupling scheme